Oil siphon
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United States of America Patent
Stats
-
Dec 26, 2006
Grant Date -
May 1, 2003
app pub date -
Oct 16, 2002
filing date -
Oct 26, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shoe roll of a shoe press for use in a papermaking machine, the shoe roll including a blanket, or endless belt, which houses a shoe assembly that, in cooperation with an external backing roll, forms an extended nip proper. The shoe press includes an oil circulation piping system for removing the oil from the interior of the shoe roll and transferring the oil to an oil trap during the running of the machine, whereby the piping system also includes a suction fan connected thereto. The device is implemented by way of connecting an oil siphon to the oil circulation piping system, the oil siphon adapted to move towards and away from the blanket in the interior of the shoe roll so that, when the roll is stopped, the siphon removes the excess oil from the interior of the blanket by a pressure differential generated by of the suction fan.
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